linux-kernel - Re: [PATCH 3/6] perf, tools, stat: Support metrics in --per-core/socket mode

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Date:	Mon, 22 Feb 2016 17:52:02 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...nel.org,
	jolsa@...nel.org, linux-kernel@...r.kernel.org, eranian@...gle.com,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 3/6] perf, tools, stat: Support metrics in
 --per-core/socket mode

On Sun, Feb 21, 2016 at 06:15:35PM +0100, Jiri Olsa wrote:
> On Wed, Feb 17, 2016 at 02:44:02PM -0800, Andi Kleen wrote:
> 
> SNIP
> 
> > @@ -892,7 +908,10 @@ static void printout(int id, int nr, struct perf_evsel *counter, double uval,
> >  	struct perf_stat_output_ctx out;
> >  	struct outstate os = {
> >  		.fh = stat_config.output,
> > -		.prefix = prefix ? prefix : ""
> > +		.prefix = prefix ? prefix : "",
> > +		.id = id,
> > +		.nr = nr,
> > +		.evsel = counter,
> >  	};
> >  	print_metric_t pm = print_metric_std;
> >  	void (*nl)(void *);
> > @@ -962,15 +981,38 @@ static void printout(int id, int nr, struct perf_evsel *counter, double uval,
> >  
> >  	perf_stat__print_shadow_stats(counter, uval,
> >  				stat_config.aggr_mode == AGGR_GLOBAL ? 0 :
> > -				cpu_map__id_to_cpu(id),
> > +				first_shadow_cpu(counter, id),
> 
> hum, IIUC you need to handle AGGR_NONE in here as well?

AFAIK it works. aggr_get_id in first_shadow_cpu and cpu_map__id_to_cpu
handle this case, right?

-Andi